GX-201KEF2/LEF2/REF2/SEF2
COMPONENTS DESCRIPTION
I SYNTHESIZER UNIT (X14-694x-xx)
Ref. No.Application / FunctionOperation / Condition / Compatibility
IC1Cassette mechanism sub-motor ICCassette sub-motor power supply
IC11FM diversity ICFM diversity switching (Only for GX-201KEF2)
IC12AM noise canceller ICAM noise canceller
IC132-piece ope-ampRDS noise amp (Only for GX-201LEF2/REF2)
IC14RDS demodulation ICRDS demodulation (Only for GX-201LEF2/REF2)
IC21Ope-amp with switchCD/Cassette switching
IC22Electronic volumeBASS/MID/TRE, MPX, Mute, Electronic volume
IC23Ope-amp with switchAudio/NAVI switching
IC242-piece ope-ampCD isolation amp, LPF
IC31~344-piece ope-ampFIX-EQ
IC352-piece ope-amp1/2 VCC output
IC41Power amp4ch power amp
IC81System ?-comSystem control
IC82Reset ICSystem reset detection
IC83I2C BUS ICF-BUS communication
IC842-piece NOR circuitFor hard muting
IC85EEPROMBug counter-measure
IC86,87Inverter circuitF-BUS control
Q1,2Cassette mechanism main motor power supply sFor cassette mechanism main motorwitch
Q101Diversity switchWhen turned ON, turns diversity OFF (Only for GX-201KEF2)
Q102,103FM power supply switchWhen FM, 8V output
Q104,105AM power supply switchWhen AM, 8V output
Q106IF count detectionWhen detecting IF count, Lo output
Q107RDS data bufferRDS data buffer output (Only for GX-201LEF2/REF2)
Q108S-meter bufferS-meter voltage output
Q151,152Noise ampNoise detection constant switching (Only for GX-201LEF2/REF2)
Q153Noise ampNoise detection output buffer (Only for GX-201LEF2/REF2)
Q202Mute switchFor muting within electronic volume
Q401,402NAVI muteFor NAVI muting at interruption
Q403SVR switchFor SVR discharging
Q404SVR switchFor SVR discharging at over voltage
Q601,602Audio DC/DC power supply switchFor DC/DC audio
Q604,605Heater DC/DC power supply switchFor DC/DC heater
Q606,607DC/DC control switchFor switching internal frequency
Q650Audio DC/DC power supply switchFor DC/DC audio
Q651Heater DC/DC power supply switchFor DC/DC heater
Q801Buzzer switchFor buzzer
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